In this Saturday, May 5, 2012 photo, audience members "second-line" as the Preservation Hall Jazz Band performs at the New Orleans Jazz and Heritage Festival in New Orleans. For five decades, Preservation Hall has served up New Orleans jazz for music lovers the world over. The New Orleans Jazz and Heritage Festival, on its closing weekend, marked that achievement by showcasing the world-renowned Preservation Hall Jazz Band in concert twice. (AP Photo/Gerald Herbert)